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93 lines
2.4 KiB
C++
93 lines
2.4 KiB
C++
// Copyright Daniel Trebbien 2010.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or the copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_GRAPH_BUFFER_CONCEPTS_HPP
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#define BOOST_GRAPH_BUFFER_CONCEPTS_HPP 1
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#include <boost/concept_check.hpp>
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#include <boost/property_map/property_map.hpp>
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#include <boost/typeof/typeof.hpp>
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#include <boost/type_traits/add_const.hpp>
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#include <boost/type_traits/add_reference.hpp>
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#include <boost/type_traits/remove_reference.hpp>
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#include <boost/concept/detail/concept_def.hpp>
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namespace boost {
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BOOST_concept(Buffer, (B))
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{
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typedef typename B::value_type value_type;
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typedef typename B::size_type size_type;
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BOOST_CONCEPT_USAGE(Buffer) {
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typedef typename boost::add_reference<value_type>::type reference;
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BOOST_CONCEPT_ASSERT((Assignable<value_type>));
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buf.push(g_ct);
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buf.pop();
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reference t = buf.top();
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boost::ignore_unused_variable_warning(t);
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}
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void const_constraints(const B& cbuf) {
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typedef typename boost::add_const<typename boost::remove_reference<value_type>::type>::type& const_reference;
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const_reference ct = cbuf.top();
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s = cbuf.size();
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if (cbuf.empty())
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dummy = __LINE__;
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}
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int dummy;
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static const value_type g_ct;
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size_type s;
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B buf;
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};
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BOOST_concept(UpdatableQueue, (Q))
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: Buffer<Q>
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{
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BOOST_CONCEPT_USAGE(UpdatableQueue) {
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q.update(g_ct);
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}
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void const_constraints(const Q& cq) {
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if (cq.contains(g_ct))
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dummy = __LINE__;
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}
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int dummy;
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static const typename Buffer<Q>::value_type g_ct;
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Q q;
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};
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BOOST_concept(KeyedUpdatableQueue, (Q))
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: UpdatableQueue<Q>
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{
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typedef typename Q::key_type key_type;
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typedef typename Q::key_map key_map;
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BOOST_CONCEPT_USAGE(KeyedUpdatableQueue) {
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BOOST_CONCEPT_ASSERT((boost::ReadWritePropertyMapConcept<key_map, typename Buffer<Q>::value_type>));
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}
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void const_constraints(const Q& cq) {
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km = cq.keys();
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k = get(km, g_ct);
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}
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static const typename Buffer<Q>::value_type g_ct;
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key_type k;
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key_map km;
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Q q;
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};
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} // end `namespace boost`
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#include <boost/concept/detail/concept_undef.hpp>
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#endif // !BOOST_GRAPH_BUFFER_CONCEPTS_HPP
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